On Mon, 28 Nov 2011 15:03:07 -0500, Wayne.B wrote:

On Mon, 28 Nov 2011 14:54:23 -0500, John H
wrote:

Dualies are fuel hogs, and don't add that much to towing capacity.

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Perhaps, but it seems intuitive that they would add to stability,
braking and tongue weight capability. Why else would people buy
them?

You made me get out the book. The K3500 regular cab with single rear wheels can pull a max trailer
weight of 15,400 lbs. With dual rear wheels the max weight is 16,500 lbs.

Personally, I don't think the extra 1100 lbs is worth it, but if you've got a trailer weighing that
much, then the dually becomes necessary.

For 9000 lbs, I wouldn't even think about it.